Bis(pinacolato)diboron

Bis(pinacolato)diboron
Names
Preferred IUPAC name
Octamethyl-2,2′-bi-1,3,2-dioxaborolane
Identifiers
3D model (JSmol)
Abbreviations B2pin2
ChEBI
ChemSpider
ECHA InfoCard 100.111.245
UNII
  • InChI=1S/C12H24B2O4/c1-9(2)10(3,4)16-13(15-9)14-17-11(5,6)12(7,8)18-14/h1-8H3 N
    Key: IPWKHHSGDUIRAH-UHFFFAOYSA-N N
  • InChI=1/C12H24B2O4/c1-9(2)10(3,4)16-13(15-9)14-17-11(5,6)12(7,8)18-14/h1-8H3
    Key: IPWKHHSGDUIRAH-UHFFFAOYAV
  • B1(OC(C(O1)(C)C)(C)C)B2OC(C(O2)(C)C)(C)C
Properties
C12H24B2O4
Molar mass 253.94 g·mol−1
Melting point 137 to 140 °C (279 to 284 °F; 410 to 413 K)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YN ?)
Infobox references

Bis(pinacolato)diboron is a covalent compound containing two boron atoms and two pinacolato ligands. It has the formula [(CH3)4C2O2B]2; the pinacol groups are sometimes abbreviated as "pin", so the structure is sometimes represented as B2pin2. It is a colourless solid that is soluble in organic solvents. It is a commercially available reagent for making pinacol boronic esters for organic synthesis. Unlike some other diboron compounds, B2pin2 is not moisture-sensitive and can be handled in air.

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